and have been released under monitoring, including convicted serial rapist patrick galotti, and many vacaville residents where he lives remain fearful. >> i don't go out at night. i have to keep everything closed, all the drapes. you know. you can't control whether he's going to be out meandering around or not. >> scared at night now? >> yeah. yeah. >> at atascadero he cooperated fully in the treatment plan and voluntarily took the chemical castration drug, the hormone responsible for the male sex drive. in 2002, patrick voluntarily underwent a surgical castration at his own expense. >> the depth of my commitment is what is going to keep me victimless for the rest of my life. i'm not saying that i'm -- i'm going to be perfect. i probably will fail in a lot of areas. but none of my failings am i going to hurt anybody. >> our best predictor of future behavior is past behavior. that will probably stick. if someone has a history of offenses against children or offenses of rape, there is a certain amount of concern that people should have that's probably healthy. >> session. >> when we come back, p